How do I set up Redis with my Flask app?

How do I set up Redis with my Flask app?

To set up Redis with your Flask app, you'll need to install the Redis server and the Flask-Redis extension.

What are the steps to install Redis on my machine?

You can install Redis using package managers like Homebrew on macOS or apt on Ubuntu. For example, on Ubuntu, run sudo apt-get install redis-server.

How do I connect my Flask app to Redis after installation?

You can connect to Redis in your Flask app by initializing Flask-Redis. Use from flask_redis import FlaskRedis and then create an instance with redis = FlaskRedis(app).

Can you show me a simple code example?

Sure! Here's a basic example:

from flask import Flask
from flask_redis import FlaskRedis

app = Flask(__name__)
app.config['REDIS_URL'] = "redis://localhost:6379/0"
redis = FlaskRedis(app)

@app.route('/')
def index():
    redis.set('key', 'value')
    return redis.get('key')